<template>
  <Dialog v-model="dialogVisible" :title="dialogTitle" width="65%">
    <Form
      ref="formRef"
      v-loading="formLoading"
      :is-col="true"
      :rules="rules"
      :schema="allSchemas.formSchema"
      class="mt-10px"
    >
      <template #spuId>
        <el-button @click="spuSelectRef.open()">选择商品</el-button>
        <SpuAndSkuList
          ref="spuAndSkuListRef"
          :rule-config="ruleConfig"
          :spu-list="spuList"
          :spu-property-list-p="spuPropertyList"
        >
          <el-table-column align="center" label="拼团价格(元)" min-width="168">
            <template #default="{ row: sku }">
              <el-input-number
                v-model="sku.productConfig.combinationPrice"
                :min="0"
                :precision="2"
                :step="0.1"
                class="w-100%"
              />
            </template>
          </el-table-column>
        </SpuAndSkuList>
      </template>
    </Form>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
  <SpuSelect ref="spuSelectRef" :isSelectSku="true" @confirm="selectSpu" />
</template>
<script lang="ts" setup>
import * as CombinationActivityApi from '@/api/mall/promotion/combination/combinationActivity';
import { CombinationProductVO } from '@/api/mall/promotion/combination/combinationActivity';
import { allSchemas, rules } from './combinationActivity.data';
import { SpuAndSkuList, SpuProperty, SpuSelect } from '@/views/mall/promotion/components';
import { getPropertyList, RuleConfig } from '@/views/mall/product/spu/components';
import * as ProductSpuApi from '@/api/mall/product/spu';
import { convertToInteger, formatToFraction } from '@/utils';
import { cloneDeep } from 'lodash-es';

defineOptions({ name: 'PromotionCombinationActivityForm' });

const { t } = useI18n(); // 国际化
const message = useMessage(); // 消息弹窗

const dialogVisible = ref(false); // 弹窗的是否展示
const dialogTitle = ref(''); // 弹窗的标题
const formLoading = ref(false); // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref(''); // 表单的类型：create - 新增；update - 修改
const formRef = ref(); // 表单 Ref

// ================= 商品选择相关 =================

const spuSelectRef = ref(); // 商品和属性选择 Ref
const spuAndSkuListRef = ref(); // sku 秒杀配置组件Ref
const spuList = ref<CombinationActivityApi.SpuExtension[]>([]); // 选择的 spu
const spuPropertyList = ref<SpuProperty<CombinationActivityApi.SpuExtension>[]>([]);
const ruleConfig: RuleConfig[] = [
  {
    name: 'productConfig.combinationPrice',
    rule: (arg) => arg >= 0.01,
    message: '商品拼团价格不能小于0.01 ！！！'
  }
];
const selectSpu = (spuId: number, skuIds: number[]) => {
  formRef.value.setValues({ spuId });
  getSpuDetails(spuId, skuIds);
};
/**
 * 获取 SPU 详情
 */
const getSpuDetails = async (
  spuId: number,
  skuIds: number[] | undefined,
  products?: CombinationProductVO[]
) => {
  const spuProperties: SpuProperty<CombinationActivityApi.SpuExtension>[] = [];
  const res = (await ProductSpuApi.getSpuDetailList([
    spuId
  ])) as CombinationActivityApi.SpuExtension[];
  if (res.length == 0) {
    return;
  }
  spuList.value = [];
  // 因为只能选择一个
  const spu = res[0];
  const selectSkus =
    typeof skuIds === 'undefined'
      ? spu?.skus
      : spu?.skus?.filter((sku) => skuIds.includes(sku.id!));
  selectSkus?.forEach((sku) => {
    let config: CombinationProductVO = {
      spuId: spu.id!,
      skuId: sku.id!,
      combinationPrice: 0
    };
    if (typeof products !== 'undefined') {
      const product = products.find((item) => item.skuId === sku.id);
      if (product) {
        product.combinationPrice = formatToFraction(product.combinationPrice);
      }
      config = product || config;
    }
    sku.productConfig = config;
  });
  spu.skus = selectSkus as CombinationActivityApi.SkuExtension[];
  spuProperties.push({
    spuId: spu.id!,
    spuDetail: spu,
    propertyList: getPropertyList(spu)
  });
  spuList.value.push(spu);
  spuPropertyList.value = spuProperties;
};

// ================= end =================

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true;
  dialogTitle.value = t('action.' + type);
  formType.value = type;
  await resetForm();
  // 修改时，设置数据
  if (id) {
    formLoading.value = true;
    try {
      const data = (await CombinationActivityApi.getCombinationActivity(
        id
      )) as CombinationActivityApi.CombinationActivityVO;
      await getSpuDetails(
        data.spuId!,
        data.products?.map((sku) => sku.skuId),
        data.products
      );
      formRef.value.setValues(data);
    } finally {
      formLoading.value = false;
    }
  }
};
defineExpose({ open }); // 提供 open 方法，用于打开弹窗

/** 重置表单 */
const resetForm = async () => {
  spuList.value = [];
  spuPropertyList.value = [];
  await nextTick();
  formRef.value.getElFormRef().resetFields();
};

/** 提交表单 */
const emit = defineEmits(['success']); // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return;
  const valid = await formRef.value.getElFormRef().validate();
  if (!valid) return;
  // 提交请求
  formLoading.value = true;
  try {
    // 获得拼团商品配置
    const products = cloneDeep(spuAndSkuListRef.value.getSkuConfigs('productConfig'));
    products.forEach((item: CombinationActivityApi.CombinationProductVO) => {
      item.combinationPrice = convertToInteger(item.combinationPrice);
    });
    const data = cloneDeep(formRef.value.formModel) as CombinationActivityApi.CombinationActivityVO;
    data.products = products;
    // 真正提交
    if (formType.value === 'create') {
      await CombinationActivityApi.createCombinationActivity(data);
      message.success(t('common.createSuccess'));
    } else {
      await CombinationActivityApi.updateCombinationActivity(data);
      message.success(t('common.updateSuccess'));
    }
    dialogVisible.value = false;
    // 发送操作成功的事件
    emit('success');
  } finally {
    formLoading.value = false;
  }
};
</script>
